215303500550 has 12 divisors (see below), whose sum is σ = 400464511116. Its totient is φ = 86121400200.

The previous prime is 215303500537. The next prime is 215303500597. The reversal of 215303500550 is 55005303512.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2153034956 + ... + 2153035055.

It is an arithmetic number, because the mean of its divisors is an integer number (33372042593).

Almost surely, 2^215303500550 is an apocalyptic number.

215303500550 is a deficient number, since it is larger than the sum of its proper divisors (185161010566).

215303500550 is a wasteful number, since it uses less digits than its factorization.

215303500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306070023 (or 4306070018 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 215303500550 in words is "two hundred fifteen billion, three hundred three million, five hundred thousand, five hundred fifty".